Is AI Model Comparator free to use?

Yes, AI Model Comparator on DevHexLab is completely free. No login, no account, and no payment required.

Does AI Model Comparator upload my data to a server?

No. AI Model Comparator runs entirely in your browser using client-side JavaScript. Your data never leaves your device and is never sent to any server.

Can I use AI Model Comparator offline?

Yes. Once the page is loaded, AI Model Comparator works without an internet connection because all processing happens locally in your browser.

What category does AI Model Comparator belong to?

AI Model Comparator belongs to the "Developer Utilities" category on DevHexLab. A grab-bag of everyday developer tools: UUID generation, QR code creation, regex testing, SQL formatting, mock data generation, environment-variable parsing, and more. These are the utilities you reach for constantly but do not want to write yourself every time.

AI Model Comparator

Side-by-side comparison of major LLM models — context window, pricing, strengths, and knowledge cutoff

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Best value in column (across all models)

Model	Provider	Context	Input / 1M	Output / 1M	Cutoff	Strengths
GPT-4o	OpenAI	128K	$2.50	$10.00	Oct 2023	Strong reasoning, vision, function calling, widely supported
GPT-4o mini	OpenAI	128K	$0.150	$0.600	Oct 2023	Best price/performance for simple tasks, fast latency
Claude 3.5 Sonnet	Anthropic	200K	$3.00	$15.00	Apr 2024	Coding, long context, nuanced instruction following
Claude 3 Haiku	Anthropic	200K	$0.250	$1.25	Aug 2023	Very fast and cheap, good for classification and summarisation
Gemini 1.5 Pro	Google	2M	$1.25	$5.00	Nov 2023	Largest context window, multimodal, long document analysis
Gemini 1.5 Flash	Google	1M	$0.075	$0.300	Nov 2023	Very large context at low cost, fast inference
Llama 3.1 70B	Meta (open-weight)	128K	—	—	Dec 2023	Open-weight, self-hostable, strong general performance
Mistral Large	Mistral AI	128K	$3.00	$9.00	Early 2024	Strong multilingual support, function calling, European provider

Prices are in USD per 1M tokens. Open-weight models show — for pricing as cost depends on hosting. Data accurate as of mid-2025; check provider docs for the latest rates.

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Learn more

Step-by-step guide

How to Compare LLM Models Side by Side

Use the AI Model Comparator to evaluate context windows, pricing, and capabilities across major LLM providers.

In-depth article

Comparing LLM Models for Your Project

Context window, pricing, and knowledge cutoff are the three dimensions that determine which LLM fits your project — here is how to reason about each.

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